Watrous, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.1 °F (low) to 67.1 °F (high). Annual precipitation averages 16.4 Inches. Watrous is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.8 °F | 48.5 °F | 0.46 in. |
| February | 18.4 °F | 51.7 °F | 0.44 in. |
| March | 24.3 °F | 58.7 °F | 0.76 in. |
| April | 30.1 °F | 65.3 °F | 0.79 in. |
| May | 39.3 °F | 73.6 °F | 1.47 in. |
| June | 47.9 °F | 83.7 °F | 1.74 in. |
| July | 53.1 °F | 85.9 °F | 3.19 in. |
| August | 51.6 °F | 83.4 °F | 3.0 in. |
| September | 44.3 °F | 78.2 °F | 2.2 in. |
| October | 33.0 °F | 69.3 °F | 1.13 in. |
| November | 22.9 °F | 58.0 °F | 0.58 in. |
| December | 16.4 °F | 48.5 °F | 0.6 in. |
| Annual | 33.1 °F | 67.1 °F | 16.36 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |